979090381 has 8 divisors (see below), whose sum is σ = 1035656640. Its totient is φ = 923690592.

The previous prime is 979090379. The next prime is 979090397. The reversal of 979090381 is 183090979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 979090381 - 2¹ = 979090379 is a prime.

It is a super-2 number, since 2×979090381² = 1917235948333450322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979090361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289891 + ... + 293248.

It is an arithmetic number, because the mean of its divisors is an integer number (129457080).

Almost surely, 2^979090381 is an apocalyptic number.

It is an amenable number.

979090381 is a deficient number, since it is larger than the sum of its proper divisors (56566259).

979090381 is a wasteful number, since it uses less digits than its factorization.

979090381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583235.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 979090381 is about 31290.4199556350. The cubic root of 979090381 is about 992.9809755640.

The spelling of 979090381 in words is "nine hundred seventy-nine million, ninety thousand, three hundred eighty-one".